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Disable -Wunused-template for clang #11069

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Merged
davebayer merged 1 commit into from
Aug 31, 2026
Merged

Disable -Wunused-template for clang #11069

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4 changes: 4 additions & 0 deletions cmake/CCCLBuildCompilerTargets.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -232,6 +232,10 @@ function(cccl_build_compiler_targets)
"-Wno-gnu-zero-variadic-macro-arguments"
cxx_compile_options
)
# clang added this to -Wall in LLVM 23, but it's basically unusable for GPU code
# because NVCC will make all the kernel call stubs static. So we must disable it. See
# https://github.com/llvm/llvm-project/issues/219968.
append_option_if_available("-Wno-unused-template" cxx_compile_options)

# This complains about functions in CUDA system headers when used with nvcc.
append_option_if_available("-Wno-unused-function" cxx_compile_options)
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